Figure 10-41. Mdc/Qcii R&Tte Transmitter Audio Filter And Sub-Tone Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List VHF- MDC/QCII R&TTE (136–174 MHz)
MIC1
OB27P44(2.8mm)
C543
1.2nF
C522
5.6nF
R508
TO_VCTCXO&VCO 6 R514
1K R515
7
24K
12K
5
NJM324
U501-B
R597
R509
C517 C523
C568
2.2K 4.7K
22nF
10nF 1nF
R529 47K
+3.3V
R530 47K
R531 47K
PB501 PB502
PTT FUN1
EVQPUD02K EVQPUD02K
R540
47K
+3.3V
J601
0980683Z01
R194 1
2
6.8K
3
C140
47nF
4
2 5
6
1 7
C142 C141 L604
PROGRAM_DATA
470pF NA 2.2uH(1608)
CR601
KDZ5.1V
1/2VCC
+5V
4
NJM324
U501-E
C529 C530 U502-E
11
0.1uF 10nF
C544
NA
R519
C524 2M
33nF
2 R518
R516 R517 R538
1
K 5.6K
15K 8.2K NJM324
3
U502-C
NJM324
U501-A
C542 C547
C525 C548
10nF NA
330P NA
R536
330K
R544 R526
100R 4.7K
1
PTT1
FUN_KEY1
FUN_KEY2
PTT2
C570
47pF
PB503
FUN2
EVQPUD02K
Q505
R537
KRA305
1K
+3.3V
Q504
KRC404
TX_AF2
R137
4.7M
C139 C135
R135
47pF
10K
0.1uF(K) 13
14
12
1/2VCC
C137
R136 NJM324
0.1uF(K)
U105-D
100K
C136 CR116
R111 +3.3V
0.1uF KDS160E
NA
R120
47K
Q114
VOX_EN
KRC404
C518
C520 5.6nF
4.7nF
13
R511 R510
C546
R513 R512 9 8.2K
15K
0.1uF(K)
8 12
10K 20K
10
NJM324
NJM324
U501-D
R539
U501-C
330K
C549 C521
C519
C550
560pF 1.2nF
1.2nF
560pF
EV_U/D
MOD_CON_CS
U508 +3.3V
+3.3V
R131
8 1
U/D VDD 10R
7 2
NC VSS
C191
6 3 220pF R104
B A C1038
47K
47pF
R598 5 4
CS/ W
20K
MCP4011(503)
C100
R599 1uF(1608)
NA
C528
R520
18nF
560K
R521
330K
1/2_VCC
R541
C536
330K
15nF
2 R527 R528
100K 82K
3
C551
NJM324
10uF / 10V(A)
U502-A
C537
2.2nF
Figure 10-41. MDC/QCII R&TTE Transmitter Audio Filter and Sub-tone Schematic Diagram
VOX
CR117
KDS160E
R138
220K
R103
150K
C101
C111 C103
R101
R102
1uF(K) 1uF(K)
47pF
10K 47K
14
R162
C102 R117
R107
820R
2.2nF 8.2K
3.9K
C104
150pF
U101_PIN29(CSN)
U101_PIN30(CLK)
U101_PIN31(SDATA)
+3.3V
R181
150R R150
10K(1%)
C153
R105 R106
1uF(K)
47K 47K
R151
C154
12K(1%)
1uF(K)
RX_AF2
C119
R141
10nF
100K
R140
68K
R146
C120
OR
15pF
FL102
3.5795MHz
C117
1.2nF
DTMF_DEC_EN
R145
1M
C115
27pF C116 R143
C118
27pF 91K
R144 10uF/16V
100K
TONE_INPUT
10-59
C106
R118 R116
47nF
47K 1.2K
DTMF/MDC_ENC
R110
270K
C107
0.1uF(K)
C105
15nF
C1039
47pF
+3.3V
C121
33nF
1 20
IN+ VDD
2 19
IN- ST/GT
R142 330K
3 18
GS EST
4 17
U101_PIN72
VREF STD
5 16
INH NC
6 15
U101_PIN63
Q4
PWDN
7 14
U101_PIN64
NC Q3
8 13
U101_PIN65
OSC1 Q2
9 12
U101_PIN66
OSC2 Q1
10 11
TOE
VSS
U103
MT88L70